Toyota Sienna Service Manual: Terminals of ECU

Toyota Sienna Service Manual / Cruise control / Dynamic laser cruise control system / Terminals of ECU

1. CHECK DISTANCE CONTROL ECU

CHECK DISTANCE CONTROL ECU

Reference: waveform 1

HINT:

Terminal: LRDD - SGND
Gauge set: 2 V/DIV., 10 ms./DIV.
Condition: ignition switch in the ON position

CHECK DISTANCE CONTROL ECU

Reference: waveform 2

HINT:

Terminal: LRRD - SGND
Gauge set: 2 V/DIV., 5 ms./DIV.
Condition: ignition switch in the ON position

2. CHECK ECM

CHECK ECM

If the value is not within the specified range, the ECM may have a malfunction.

3. CHECK LASER SENSOR

CHECK LASER SENSOR

Reference: waveform 1

HINT:

Terminal: LRDD - SGND
Gauge set: 2 V/DIV., 10 ms./DIV.
Condition: ignition switch in the ON position

CHECK LASER SENSOR

Reference: waveform 2

HINT:

Terminal: LRRD - SGND
Gauge set: 2 V/DIV., 5 ms./DIV.
Condition: ignition switch in the ON position

4. BRAKE ACTUATOR ASSEMBLY (SKID CONTROL ECU)

BRAKE ACTUATOR ASSEMBLY (SKID CONTROL ECU)

Problem symptoms table

HINT: Use the table below to help determine the cause of the problem symptom. The likely causes of the problem are indicated in descending order. Check each suspected area in order. Re ...

Diagnosis system

1. DIAGNOSIS FUNCTION The diagnosis function makes the light and the multi-information display come on, and the CRUISE main indicator light blink as shown in the illustration. When ...

Other materials:

Throttle / Pedal Position Sensor / Switch "A/B" Circuit
DTC P0120 Throttle / Pedal Position Sensor / Switch "A" Circuit DTC P0122 Throttle / Pedal Position Sensor / Switch "A" Circuit Low Input DTC P0123 Throttle / Pedal Position Sensor / Switch "A" Circuit High Input DTC P0220 Throttle / Pedal Position Sensor / Switch ...

Disassembly
1. INSPECT OIL PUMP ASSEMBLY HINT: (See page AX-234) 2. REMOVE CLUTCH DRUM OIL SEAL RING (a) Remove the 2 clutch drum oil seal rings. 3. REMOVE STATOR SHAFT ASSEMBLY (a) Using a "torx" socket (T30), remove the 11 bolts and stator shaft. 4. INSPECT CLEARANCE OF OIL PUMP ASSEMBLY ...

Steering Pad Switch Circuit
DESCRIPTION This circuit sends an operation signal from the steering pad switch to the radio receiver. If there is an open in the circuit, the navigation system cannot be operated using the steering pad switch. If there is a short in the circuit, the resulting condition is the same as if ...